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Scala List lastIndexOf() method with example
  • Last Updated : 29 Jul, 2019

The lastIndexOf() method is utilized to find the index of the last occurrence of the element present in this method as argument.

Method Definition: def lastIndexOf(elem: A, end: Int): Int

Return Type: It returns the index of the last occurrence of the element present in this method as argument.

Example #1:




// Scala program of lastIndexOf()
// method
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
        // Creating a list
        val m1 = List(3, 6, 2, 9, 21, 9)
          
        // Applying lastIndexOf method
        val result = m1.lastIndexOf(9)
          
        // Displays output
        println(result)
      
    }
Output:
5

Example #2:




// Scala program of lastIndexOf()
// method
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
        // Creating a list
        val m1 = List(3, 6, 2, 9, 3, 21, 3)
          
        // Applying lastIndexOf method
        val result = m1.lastIndexOf(3)
          
        // Displays output
        println(result)
      
    }
Output:
6



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